Product comparison · 2 stylus pens

Lenovo 4X81U29637 stylus pen vs Lenovo 4X81W51849 stylus pen Grey

9specifications compared
3differ
6identical
14known for one product only

Key differences

Product colour: Black on the Lenovo 4X81U29637 stylus pen, Grey on the Lenovo 4X81W51849 stylus pen Grey. Tip colour: Black on the Lenovo 4X81U29637 stylus pen, Grey on the Lenovo 4X81W51849 stylus pen Grey.

Product colour
- 4X81U29637 stylus pen:Black
- 4X81W51849 stylus pen Grey:Grey
Tip colour
- 4X81U29637 stylus pen:Black
- 4X81W51849 stylus pen Grey:Grey

Side by side

Differences highlightedShow differences only

Comparison of 4X81U29637, 4X81W51849
23 specifications	A Lenovo 4X81U29637 stylus pen Model 4X81U29637 View product	B Lenovo 4X81W51849 stylus pen Grey Model 4X81W51849 View product
Features3 differ
Device compatibility	Laptop	Laptop
Brand compatibility	Lenovo	Lenovo
CompatibilityKnown for one	Unknown — not stated by the source	ThinkBook 14 2-in-1 G6 IPL
Product colourDiffers	Black	Grey
Colour nameKnown for one	Unknown — not stated by the source	Luna Grey
Tip colourDiffers	Black	Grey
Supported protocolsKnown for one	Unknown — not stated by the source	USI2.0 protocol:100 ~ 500 kHz WGP protocol:86 ~ 400 kHz / 8 channels AES1.0/2.0 protocol:1800 kHz ± 5% AES3.0 protocol:133 ~ 1800 kHz MPP2.0/2.6 protocol:18 ~ 210 kHz AES3.0 protocol AES2.0 protocol AES1.0 protocol WGP protocol MPP2.0 protocol MPP2.6 protocol USI2.0 protocol
CertificationDiffers	CE(EMC), CB, UKCA, VCCI(EMC), KC(EMC), NOM	CE, UKCA, FCC, UL, KC, VCCI, NOM-019, RoHS, EAC, SABS, RCM
Pressure levelsKnown for one	4096	Unknown — not stated by the source
Batteryidentical
Battery lifeKnown for one	Unknown — not stated by the source	160 h
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	152 mm
Tip diameterKnown for one	Unknown — not stated by the source	9.13 mm
WeightKnown for one	13.5 g	Unknown — not stated by the source
HeightKnown for one	152 mm	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)	5 - 40 °C	5 - 40 °C
Operating relative humidity (H-H)	30 - 80%	30 - 80%
Packaging dataidentical
Quantity per pack	1 pc(s)	1 pc(s)
Package type	Box	Box
Package widthKnown for one	Unknown — not stated by the source	245 mm
Package depthKnown for one	Unknown — not stated by the source	95 mm
Package heightKnown for one	Unknown — not stated by the source	35 mm
Package weightKnown for one	76 g	Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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